Want to Look Younger? Be Happy & Eat Dessert.

If you want to look younger longer, stay out of the sun and put out that cigarette. Duh. But did you know that saying "yes" to crème brulée every once in a while and feeling happy also help turn back the clock?

The researchers found that divorced twins appeared, on average, at least two years older than a twin who was married. And twins on antidepressants? Yep, older-looking. (The researchers said it could be depression itself or the meds used to treat it that added the years.)

The study also determined that weight mattered, too. Twins who were thinner looked younger—until they turned 40. At that point, the chubbier twins appeared more youthful.

Be happy? Don't obsess about a few pounds here and there? Is it just me, or does this sound like way more fun than a face lift?